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D.C. police are looking into two additional robberies over the weekend and trying to determine if they could be connected to three other cases near the Convention Center last week. News4's Pat Collins reports. (Published Tuesday, Oct. 1, 2013)

In recent weeks, D.C. Police have reported at least five robberies in which the assailants were armed with a stun gun.

Early last week, three men were robbed just north of the Convention Center near Logan Circle. The suspects got away with wallets, cell phones and other personal belongings and had deployed the stun gun in one case. Police have released surveillance images of three men wanted in those attacks. They also say Hispanic men were targeted.

On the morning of Sept. 29, a man delivering newspapers along the 300 block of Tennessee Street NE in the Capitol Hill neighborhood was approached by a man holding a stun gun. The victim told police the man told him to, 'Give it up.' The attacker then took his keys and drove away from the scene.

That night, police say a man walking down an alley in the 2100 block of 10th Street NW in Shaw was approached by four men. David Evans, who lives near the incident, came to the victim's aid.

"The four of them joined around him and one [used a stun gun on] him and he fell to the ground. [All they took] was his iPhone," Evans said.

Police have not confirmed whether the two latest incidents are related to the first three.